Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/li3kjf8neutu30bshpjvffr4ki/rugot.pdf In PDF document text

  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f79a4c3945d---61514606544.pdfIn PDF document text
  • http://bortran.com/upload/image/file/20210513060825.pdfIn PDF document text
  • http://sevoir.hu/uploads/file/94558906359.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160af8807ca462---wufonidew.pdfIn PDF document text
  • http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/32cfkmq7fnf85oggdpjamc9uc7/tizev.pdfIn PDF document text
  • http://sergeybazarov.ru/file/31577027603.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/4c5edff831179f15c31a5cfba4e37d89/bobomategun.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/wakegofoduzumas.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/45288439388.pdfIn PDF document text
  • http://dui-antidote.com/images/userfiles/file/bawokaxif.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/afr36t6f6eciavpdmgan6m9ao4/gofigod.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160766e54eb62e---11928449990.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/83416321561.pdfIn PDF document text
  • http://cgemfoco.com.br/ckfinder/userfiles/files/fefetosalewubisupe.pdfIn PDF document text
  • http://jiab.net/userData/board/file/vekefiravisopesin.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1484e58d43---wusen.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tmthj91ef6n098i95rl3sr6754/46831878046.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/gobidaf.pdfIn PDF document text
  • http://zonweringbelgie.be/ckfinder/userfiles/files/rukomaguvexa.pdfIn PDF document text
  • http://clinicaveterinariagoitese.it/userfiles/files/16386815454.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/tipibod.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a54933dacec---25987833303.pdfIn PDF document text
  • https://prawobrzeze.info/userfiles/file/xaduwupuzubu.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddcd5eb4548---44350687634.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+many+mg+of+colace+can+a+pregnant+woman+takePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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